projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 7a23f890 NB |
1 | #ifndef TARGET_CORE_BACKEND_CONFIGFS_H |
| 2 | #define TARGET_CORE_BACKEND_CONFIGFS_H | |
| 3 | ||
| 4 | #include <target/configfs_macros.h> | |
| 5 | ||
| 6 | #define DEF_TB_DEV_ATTRIB_SHOW(_backend, _name) \ | |
| 7 | static ssize_t _backend##_dev_show_attr_##_name( \ | |
| 8 | struct se_dev_attrib *da, \ | |
| 9 | char *page) \ | |
| 10 | { \ | |
| 11 | return snprintf(page, PAGE_SIZE, "%u\n", \ | |
| 12 | (u32)da->da_dev->dev_attrib._name); \ | |
| 13 | } | |
| 14 | ||
| 15 | #define DEF_TB_DEV_ATTRIB_STORE(_backend, _name) \ | |
| 16 | static ssize_t _backend##_dev_store_attr_##_name( \ | |
| 17 | struct se_dev_attrib *da, \ | |
| 18 | const char *page, \ | |
| 19 | size_t count) \ | |
| 20 | { \ | |
| 21 | unsigned long val; \ | |
| 22 | int ret; \ | |
| 23 | \ | |
| 24 | ret = kstrtoul(page, 0, &val); \ | |
| 25 | if (ret < 0) { \ | |
| 26 | pr_err("kstrtoul() failed with ret: %d\n", ret); \ | |
| 27 | return -EINVAL; \ | |
| 28 | } \ | |
| 29 | ret = se_dev_set_##_name(da->da_dev, (u32)val); \ | |
| 30 | \ | |
| 31 | return (!ret) ? count : -EINVAL; \ | |
| 32 | } | |
| 33 | ||
| 34 | #define DEF_TB_DEV_ATTRIB(_backend, _name) \ | |
| 35 | DEF_TB_DEV_ATTRIB_SHOW(_backend, _name); \ | |
| 36 | DEF_TB_DEV_ATTRIB_STORE(_backend, _name); | |
| 37 | ||
| 38 | #define DEF_TB_DEV_ATTRIB_RO(_backend, name) \ | |
| 39 | DEF_TB_DEV_ATTRIB_SHOW(_backend, name); | |
| 40 | ||
| 41 | CONFIGFS_EATTR_STRUCT(target_backend_dev_attrib, se_dev_attrib); | |
| 42 | #define TB_DEV_ATTR(_backend, _name, _mode) \ | |
| 43 | static struct target_backend_dev_attrib_attribute _backend##_dev_attrib_##_name = \ | |
| 44 | __CONFIGFS_EATTR(_name, _mode, \ | |
| 45 | _backend##_dev_show_attr_##_name, \ | |
| 46 | _backend##_dev_store_attr_##_name); | |
| 47 | ||
| 48 | #define TB_DEV_ATTR_RO(_backend, _name) \ | |
| 49 | static struct target_backend_dev_attrib_attribute _backend##_dev_attrib_##_name = \ | |
| 50 | __CONFIGFS_EATTR_RO(_name, \ | |
| 51 | _backend##_dev_show_attr_##_name); | |
| 52 | ||
| e6c39f70 NB |
53 | /* |
| 54 | * Default list of target backend device attributes as defined by | |
| 55 | * struct se_dev_attrib | |
| 56 | */ | |
| 57 | ||
| 58 | #define DEF_TB_DEFAULT_ATTRIBS(_backend) \ | |
| 59 | DEF_TB_DEV_ATTRIB(_backend, emulate_model_alias); \ | |
| 60 | TB_DEV_ATTR(_backend, emulate_model_alias, S_IRUGO | S_IWUSR); \ | |
| 61 | DEF_TB_DEV_ATTRIB(_backend, emulate_dpo); \ | |
| 62 | TB_DEV_ATTR(_backend, emulate_dpo, S_IRUGO | S_IWUSR); \ | |
| 63 | DEF_TB_DEV_ATTRIB(_backend, emulate_fua_write); \ | |
| 64 | TB_DEV_ATTR(_backend, emulate_fua_write, S_IRUGO | S_IWUSR); \ | |
| 65 | DEF_TB_DEV_ATTRIB(_backend, emulate_fua_read); \ | |
| 66 | TB_DEV_ATTR(_backend, emulate_fua_read, S_IRUGO | S_IWUSR); \ | |
| 67 | DEF_TB_DEV_ATTRIB(_backend, emulate_write_cache); \ | |
| 68 | TB_DEV_ATTR(_backend, emulate_write_cache, S_IRUGO | S_IWUSR); \ | |
| 69 | DEF_TB_DEV_ATTRIB(_backend, emulate_ua_intlck_ctrl); \ | |
| 70 | TB_DEV_ATTR(_backend, emulate_ua_intlck_ctrl, S_IRUGO | S_IWUSR); \ | |
| 71 | DEF_TB_DEV_ATTRIB(_backend, emulate_tas); \ | |
| 72 | TB_DEV_ATTR(_backend, emulate_tas, S_IRUGO | S_IWUSR); \ | |
| 73 | DEF_TB_DEV_ATTRIB(_backend, emulate_tpu); \ | |
| 74 | TB_DEV_ATTR(_backend, emulate_tpu, S_IRUGO | S_IWUSR); \ | |
| 75 | DEF_TB_DEV_ATTRIB(_backend, emulate_tpws); \ | |
| 76 | TB_DEV_ATTR(_backend, emulate_tpws, S_IRUGO | S_IWUSR); \ | |
| 77 | DEF_TB_DEV_ATTRIB(_backend, emulate_caw); \ | |
| 78 | TB_DEV_ATTR(_backend, emulate_caw, S_IRUGO | S_IWUSR); \ | |
| 79 | DEF_TB_DEV_ATTRIB(_backend, emulate_3pc); \ | |
| 80 | TB_DEV_ATTR(_backend, emulate_3pc, S_IRUGO | S_IWUSR); \ | |
| 81 | DEF_TB_DEV_ATTRIB(_backend, pi_prot_type); \ | |
| 82 | TB_DEV_ATTR(_backend, pi_prot_type, S_IRUGO | S_IWUSR); \ | |
| 83 | DEF_TB_DEV_ATTRIB_RO(_backend, hw_pi_prot_type); \ | |
| 84 | TB_DEV_ATTR_RO(_backend, hw_pi_prot_type); \ | |
| 85 | DEF_TB_DEV_ATTRIB(_backend, pi_prot_format); \ | |
| 86 | TB_DEV_ATTR(_backend, pi_prot_format, S_IRUGO | S_IWUSR); \ | |
| 87 | DEF_TB_DEV_ATTRIB(_backend, enforce_pr_isids); \ | |
| 88 | TB_DEV_ATTR(_backend, enforce_pr_isids, S_IRUGO | S_IWUSR); \ | |
| 89 | DEF_TB_DEV_ATTRIB(_backend, is_nonrot); \ | |
| 90 | TB_DEV_ATTR(_backend, is_nonrot, S_IRUGO | S_IWUSR); \ | |
| 91 | DEF_TB_DEV_ATTRIB(_backend, emulate_rest_reord); \ | |
| 92 | TB_DEV_ATTR(_backend, emulate_rest_reord, S_IRUGO | S_IWUSR); \ | |
| 93 | DEF_TB_DEV_ATTRIB(_backend, force_pr_aptpl); \ | |
| 94 | TB_DEV_ATTR(_backend, force_pr_aptpl, S_IRUGO | S_IWUSR); \ | |
| 95 | DEF_TB_DEV_ATTRIB_RO(_backend, hw_block_size); \ | |
| 96 | TB_DEV_ATTR_RO(_backend, hw_block_size); \ | |
| 97 | DEF_TB_DEV_ATTRIB(_backend, block_size); \ | |
| 98 | TB_DEV_ATTR(_backend, block_size, S_IRUGO | S_IWUSR); \ | |
| 99 | DEF_TB_DEV_ATTRIB_RO(_backend, hw_max_sectors); \ | |
| 100 | TB_DEV_ATTR_RO(_backend, hw_max_sectors); \ | |
| e6c39f70 NB |
101 | DEF_TB_DEV_ATTRIB(_backend, optimal_sectors); \ |
| 102 | TB_DEV_ATTR(_backend, optimal_sectors, S_IRUGO | S_IWUSR); \ | |
| 103 | DEF_TB_DEV_ATTRIB_RO(_backend, hw_queue_depth); \ | |
| 104 | TB_DEV_ATTR_RO(_backend, hw_queue_depth); \ | |
| 105 | DEF_TB_DEV_ATTRIB(_backend, queue_depth); \ | |
| 106 | TB_DEV_ATTR(_backend, queue_depth, S_IRUGO | S_IWUSR); \ | |
| 107 | DEF_TB_DEV_ATTRIB(_backend, max_unmap_lba_count); \ | |
| 108 | TB_DEV_ATTR(_backend, max_unmap_lba_count, S_IRUGO | S_IWUSR); \ | |
| 109 | DEF_TB_DEV_ATTRIB(_backend, max_unmap_block_desc_count); \ | |
| 110 | TB_DEV_ATTR(_backend, max_unmap_block_desc_count, S_IRUGO | S_IWUSR); \ | |
| 111 | DEF_TB_DEV_ATTRIB(_backend, unmap_granularity); \ | |
| 112 | TB_DEV_ATTR(_backend, unmap_granularity, S_IRUGO | S_IWUSR); \ | |
| 113 | DEF_TB_DEV_ATTRIB(_backend, unmap_granularity_alignment); \ | |
| 114 | TB_DEV_ATTR(_backend, unmap_granularity_alignment, S_IRUGO | S_IWUSR); \ | |
| 115 | DEF_TB_DEV_ATTRIB(_backend, max_write_same_len); \ | |
| 116 | TB_DEV_ATTR(_backend, max_write_same_len, S_IRUGO | S_IWUSR); | |
| 117 | ||
| 7a23f890 | 118 | #endif /* TARGET_CORE_BACKEND_CONFIGFS_H */ |